山东净之源净化工程有限公司山东净之源净化工程有限公司

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  • 你知道怎么样装修才能降低试验室对环境的污染吗?
    来源:http://www.hnsfk.com 浏览: 发布日期:2018-11-28
    为了降低试验室对环境的污染,应把试验室环保体系纳入试验室设计与建设中,使之成为试验室必不可少的一部分,从而有利于贯彻落实各项试验室环境污染防治办法,在确保试验效果的前提下,用无毒害、无污染或低毒害、低污染的试剂代替毒性较强的试剂,在一些特定试验要用到高毒性药品时,必定要用关闭的搜集桶搜集废液。全面推行绿色科学,洁净试验。
    In order to reduce the environmental pollution of laboratories, the environmental protection system of laboratories should be integrated into the design and construction of laboratories, making it an indispensable part of laboratories, which is conducive to the implementation of various laboratory environmental pollution prevention and control measures. On the premise of ensuring the experimental results, the laboratories should be non-toxic, non-polluting or low-toxic. Low-pollution reagents replace highly toxic reagents. When high toxic drugs are used in some specific tests, closed collecting barrels must be used to collect waste liquid. Green science and clean test should be carried out in an all-round way.
    干法废气处理。
    Dry waste gas treatment.
    干法废气处理是指气体混合物与多孔性固体触摸时,使用固体表面存在的未平衡的分子引力或者化学健力,把混合物种某一组分或某些组分吸附在固体表面上的过程。
    Dry waste gas treatment refers to the process of adsorbing a certain component or component of the mixture onto the solid surface by using unbalanced molecular gravity or chemical force existing on the solid surface when the gas mixture touches the porous solid.
    具有吸附效果的固体称为吸附剂,该办法的长处是设备简略,操作便利,易于完成自动化控制。但是因吸附剂的物化性质不同,具有较强的针对性,所以处理含不同有害物质的废气有必要装备不同理化功能的吸附剂,才干起到良好的气体净化效果。
    Solids with adsorption effect are called adsorbents. The advantages of this method are simple equipment, convenient operation and easy automation control. However, due to the different physical and chemical properties of adsorbents, it is necessary to equip adsorbents with different physical and chemical functions for the treatment of waste gas containing different harmful substances in order to achieve good gas purification effect.
    假如废气经过吸附剂的时间较短,废气中有害物质含量过高,废气净化的效果就会不理想;在废气经过吸附介质时,由于气流受固体介质的阻挠效果,须增加风机的功率才干确保通风体系的正常风速。吸附剂需求定期替换或作再生处理才干确保吸收设备的正常运转。
    If the exhaust gas passes through the adsorbent for a short time and the content of harmful substances in the exhaust gas is too high, the purification effect of the exhaust gas will not be ideal. When the exhaust gas passes through the adsorbent medium, due to the obstruction effect of the solid medium, the power of the fan must be increased to ensure the normal wind speed of the ventilation system. Adsorbents need to be replaced or regenerated periodically to ensure the normal operation of absorption equipment.
    所以,该办法在实践使用中需求投入必定的费用和人力,此种办法一般用于废气中还物质的品种相对安稳且含量较低的废气处理,这样便于选用一种有针对性的吸附剂。
    Therefore, this method needs to invest certain costs and manpower in practical use. This method is generally used for the treatment of waste gas with relatively stable and low content of substance returned from waste gas, so as to facilitate the selection of a targeted adsorbent.
    干法废气处理一般选用有机气体活性炭吸附设备,其原理是活性炭具有许多微孔及很大的比表面积,依托分子引力和毛细管效果,能够使溶剂蒸汽和挥发性物质吸附于其表面。
    Activated carbon adsorption equipment for dry waste gas treatment is generally used. The principle is that activated carbon has many microporous and large specific surface area. Relying on molecular gravity and capillary effect, it can make solvent vapor and volatile matter adsorb on its surface.
    有依据不同方位的的沸点,用蒸汽将吸附物质析出。当选用蒸汽为免除吸介质时,洗出的有机溶剂蒸汽与水蒸气一起经过冷凝器凝聚,进入分离桶经分离后收回有机溶剂。
    Depending on the boiling point of different orientations, the adsorbate is precipitated by steam. When the vapor is selected as the absorptive medium, the washed organic solvent vapor and water vapor are condensed in a condenser, then enter the separating barrel and recover the organic solvent after separation.
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